Boning knife



FIG. 1 is a front elevational view of a boning knife showing my new design;

FIG. 2 is a rear elevational view thereof; and

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of a boning knife showing my new design.

The broken lines in the figures are for the purposes of illustrating portions of the boning knife, which form no part of the claimed design. 

CLAIM The ornamental design for a boning knife, as shown and described. 